摘要
介绍了长春市羊草沟煤矿在不规则复合厚煤层中采用分层开采法的实践情况，分析了技术经济效果，指出了具体的适用条件。
Introduced the practical situation of slicing method on regularity complex thick seam adopted by Yangchaogou Coal Mine,analysed technologyand economic efficiency,poind out the situations suitable for slicing method.
关键词
煤矿
采矿
工作面
分层开采法
试验效果
Yangchaogou Coal Mine,mining method test,technology and economic efficiency,experience,suggestion
